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docs: note when boundaries were added (#14487)

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Rich Harris 4 weeks ago committed by GitHub
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documentation/docs/05-special-elements/01-svelte-boundary.md
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@ -6,6 +6,9 @@ title: <svelte:boundary>
<svelte:boundary onerror={handler}>...</svelte:boundary> <svelte:boundary onerror={handler}>...</svelte:boundary>
``` ```
> [!NOTE]
> This feature was added in 5.3.0
Boundaries allow you to guard against errors in part of your app from breaking the app as a whole, and to recover from those errors. Boundaries allow you to guard against errors in part of your app from breaking the app as a whole, and to recover from those errors.
If an error occurs while rendering or updating the children of a `<svelte:boundary>`, or running any [`$effect`]($effect) functions contained therein, the contents will be removed. If an error occurs while rendering or updating the children of a `<svelte:boundary>`, or running any [`$effect`]($effect) functions contained therein, the contents will be removed.

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